Nervous flyers, beware: a Department of Homeland Security-funded project is investigating whether Wii Fit Balance Boards might be good ways to detect signs of tension or unease in airport security lines. The next step in the War on Terrorism?

"Researchers took a Wii balance board...and altered it to show howsomeone's weight shifts. Studies are now under way to determine whetherthere is a level of fidgeting that would suggest the need for secondaryscreening," CNN said.

The Balance Board is just one of a suite of sensors the Boston-basedproject is trialing; others include eye trackers and devices thatrecord respiratory and heart rates. Researchers say their goal is tohave a system ready for field tests in 2011.